Monster Baby

Apparently, my husband and I make big babies. My first baby was 9lbs and to get her out, well let's just say there was lots of cutting and tearing — 4th degree style. I am 5'7" and weighed less than 110lbs before my pregnancies. I blame my husband and his giant family for shredding my lady bits pushing out a big ole baby. Now for baby #2, with 5 weeks left to go, she's already 7.5lbs. 7.5lbs!! I'm freaking out. Doctors said I can have a c-section if I want, try induction a week early, or go for another vaginal birth. The risk that I have another tear that may be difficult to repair goes up substantially with the more weight she puts on. Basically, I have to decide if gutting me like a fish with major surgery is better than blowing out the puss and having to have reconstructive surgery should a 3-4th degree happen again. WTF kind of options are these?!? Anybody else experience something similar? Advice?

Thanks.